import type { AgentSession, AgentSessionStatus, CapacityControls, PlatformAuditEventType } from "./types.js";
export interface PlatformSessionSummary {
    sessionId: string;
    taskId?: string;
    title: string;
    status: AgentSessionStatus;
    priority: AgentSession["priority"];
    createdAt: string;
    updatedAt: string;
    startedAt?: string;
    endedAt?: string;
    durationMs?: number;
    costUsd?: number;
    artifactCount: number;
    auditEventCount: number;
}
export interface PlatformHealthSnapshot {
    generatedAt: string;
    totalSessions: number;
    queueDepth: number;
    activeSessions: number;
    statusCounts: Record<AgentSessionStatus, number>;
    terminalSessions: number;
    averageDurationMs?: number;
    failureRate: number;
    cancellationRate: number;
    costEstimateUsd: number;
    oldestQueuedAt?: string;
    oldestRunningStartedAt?: string;
    capacity?: Required<CapacityControls>;
    sessions: PlatformSessionSummary[];
}
export interface PlatformHealthSnapshotOptions {
    now?: Date;
    queueDepth?: number;
    activeSessionIds?: string[];
    capacity?: Required<CapacityControls>;
    includeSessions?: boolean;
}
export interface PlatformAuditSummary {
    generatedAt: string;
    totalEvents: number;
    byType: Partial<Record<PlatformAuditEventType, number>>;
    policyDenials: number;
    budgetWarnings: number;
    artifactEvents: number;
    reviewEvents: number;
    sessionsWithPolicyDenials: string[];
    latestEventAt?: string;
}
export interface PlatformAuditSummaryOptions {
    now?: Date;
    sessionId?: string;
    since?: string;
    type?: PlatformAuditEventType;
}
export declare function summarizePlatformHealth(sessions: AgentSession[], options?: PlatformHealthSnapshotOptions): PlatformHealthSnapshot;
export declare function summarizePlatformAudit(sessions: AgentSession[], options?: PlatformAuditSummaryOptions): PlatformAuditSummary;
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